RK

Richard G. Keffert

AA Aluminum Company Of America: 1 patents #23 of 135Top 20%
📍 Penn Hills, PA: #4 of 13 inventorsTop 35%
🗺 Pennsylvania: #948 of 4,234 inventorsTop 25%
Overall (1994): #165,812 of 165,921Top 100%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5281819 Apparatus for nondestructively determining coating thickness on a metal object and associated method M. Jonell Kerkhoff, James E. Smous 1994-01-25